Sustained Blood Pressure Control Following Discontinuation of a Pharmacist Intervention for Veterans.

Carter BL, Vander Weg MW, Parker CP, Goedken CC, Richardson KK, Rosenthal GE. Sustained Blood Pressure Control Following Discontinuation of a Pharmacist Intervention for Veterans. Journal of clinical hypertension (Greenwich, Conn.). 2015 Sep 1; 17(9):701-8.

Related HSR&D Project(s)

• IIR 07-145 – Trial of Low And High Intensity Strategies to Maintain Blood Pressure Control

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Abstract:

Clinical pharmacists are utilized in Veterans Health Administration (VHA) facilities to assist with management of patients with chronic conditions including hypertension. The goal of this study was to examine blood pressure (BP) control after discontinuation of an intensive pharmacist-managed intervention. The study was conducted at a single Midwest VHA medical center and two affiliated community-based outpatient clinics. Patients with uncontrolled BP received an intensive pharmacist intervention for the first 6 months. Patients were then stratified based on whether their BP was controlled or not and were randomized to either continue the intervention for another 24 months (30 month total time period) or the intervention was discontinued following one-time receipt of educational materials. Mean systolic and diastolic BPs were reduced (P < .001) in diabetic patients (8.0±14.4 mm Hg and 4.0±9.1 mm Hg, respectively) and in nondiabetic patients (14.0±16.4 mm Hg and 5.0±10.0 mm Hg, respectively) following the 6-month intervention, with 54% of the total sample achieving BP control. BP control and the reduction in mean BP was maintained to a similar degree in both study groups at 12, 18, 24, and 30 months. There were no significant differences in BP at any of the follow-up periods in patients who did and did not receive the continued pharmacist intervention. This study found that BP control was maintained for at least 24 months following discontinuation of an intensive pharmacist intervention. These findings were seen in both the group that had a continued pharmacist intervention and in the group that had a one-time educational session when the intervention was discontinued. This study suggests that once BP control is achieved following a pharmacist intervention, patients can be referred back to their primary care provider for continued follow-up.